package cn.itrip.trade.controller;


import cn.itrip.common.DtoUtil;
import cn.itrip.common.EmptyUtils;
import cn.itrip.dto.Dto;
import cn.itrip.pojo.ItripHotelOrder;
import cn.itrip.pojo.ItripLabelDic;
import cn.itrip.trade.config.AlipayConfig;
import cn.itrip.trade.service.ItripHoptelOrderService;
import cn.itrip.vo.ItripLabelDicVO;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
import java.util.*;

@Controller
@RequestMapping(value = "/api")
@Api(value = "trade测试支付模块", tags = "{trade测试支付模块}")
public class AliPaymentController {

    @Resource
    private ItripHoptelOrderService itripHoptelOrderService;
    @Resource
    private AlipayConfig alipayConfig;

    /**
     * 确认订单信息
     */
    @ApiOperation(value = "确认订单信息")
    @RequestMapping(value = "/prepay/{orderNo}", method = RequestMethod.GET)
    public String prePay(@PathVariable String orderNo, ModelMap param) {
        try {
            ItripHotelOrder order = itripHoptelOrderService.getHotelOrderByOrderNo(orderNo);
            if (EmptyUtils.isEmpty(order)) {
                return "notfound";
            }
            param.put("orderNo", order.getOrderNo());
            param.put("hotelName", order.getHotelName());
            param.put("payAmount", order.getPayAmount());
            param.put("roomId", order.getRoomId());
            param.put("count", order.getCount());
            return "pay";
        } catch (Exception e) {
            e.printStackTrace();
            return "error";
        }
    }

    /**
     * 订单支付
     */
    @ApiOperation(value = "订单支付")
    @RequestMapping(value = "/pay", method = RequestMethod.POST, produces = "application/xml", consumes = "application/x-www-form-urlencoded")
    public void pay(@RequestParam String WIDout_trade_no, @RequestParam String WIDsubject,
                    @RequestParam String WIDtotal_amount, HttpServletResponse response) {
        try {
            //获得初始化的AlipayClient
            AlipayClient alipayClient = new DefaultAlipayClient(alipayConfig.getUrl(), alipayConfig.getAppID(),
                    alipayConfig.getRsaPrivateKey(), alipayConfig.getFormat(), alipayConfig.getCharset(),
                    alipayConfig.getAlipayPublicKey(), alipayConfig.getSignType());

            //设置请求参数
            AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
            alipayRequest.setReturnUrl(alipayConfig.getReturnUrl());
            alipayRequest.setNotifyUrl(alipayConfig.getNotifyUrl());

            alipayRequest.setBizContent("{\"out_trade_no\":\"" + WIDout_trade_no + "\","
                    + "\"total_amount\":\"" + WIDtotal_amount + "\","
                    + "\"subject\":\"" + WIDsubject + "\","
                    //+ "\"body\":\"" + body + "\","
                    + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

            //请求
            String result = alipayClient.pageExecute(alipayRequest).getBody();

            //设置相应格式
            response.setContentType("text/html;charset=utf-8");
            //输出
            PrintWriter out = response.getWriter();
            out.println(result);
            out.flush();
            out.close();

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    /**
     * 用户确认支付同步调用该接口
     * @param request
     * @param response
     * @throws Exception
     */
    @RequestMapping(value = "/return", method = RequestMethod.GET)
    public void returnUrl(HttpServletRequest request, HttpServletResponse response) throws Exception {
        //获取支付宝GET过来反馈信息
        Map<String, String> params = new HashMap<String, String>();
        Map<String, String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        //调用SDK验证签名
        boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipayPublicKey(), alipayConfig.getCharset(), alipayConfig.getSignType());

        //——请在这里编写您的程序（以下代码仅作参考）——
        if (signVerified) {
            //商户订单号
            String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"), "UTF-8");

            String appId = params.get("app_id");

            /* 实际验证过程建议商户务必添加以下校验：
            1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
            2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
            3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
            4、验证app_id是否为该商户本身。
            */
            ItripHotelOrder order = itripHoptelOrderService.getHotelOrderByOrderNo(out_trade_no);

            //判断订单是否为空
            if (EmptyUtils.isNotEmpty(order)) {
                //判断金额是否一致
                if (order.getPayAmount() == Double.parseDouble(total_amount)) {
                    //判断商户id是否一致
                    if (alipayConfig.getAppID().equals(appId)) {
                        //判断支付编号是否已支付
                        if (EmptyUtils.isEmpty(order.getTradeNo())) {
                            order.setPayType(1);
                            order.setTradeNo(trade_no);
                            order.setOrderStatus(2);
                            itripHoptelOrderService.updateOrderStatus(order);
                            response.sendRedirect("/trade/success.jsp");
                            //必须加return不然下面的也走会报错
                            return;
                        }
                    }
                }
            }
            response.sendRedirect("/trade/failure.jsp");
        }
    }


    /**
     * 并异步调用该接口操作一些业务逻辑
     * @param request
     * @param response
     * @throws Exception
     */
    @RequestMapping(value = "/notify", method = RequestMethod.GET)
    public void notifyUrl(HttpServletRequest request, HttpServletResponse response) throws Exception {
        //获取支付宝POST过来反馈信息
        Map<String, String> params = new HashMap<String, String>();
        Map<String, String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用   这里注释掉可能会验签不通过
            //valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipayPublicKey(), alipayConfig.getCharset(), alipayConfig.getSignType()); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——

        /* 实际验证过程建议商户务必添加以下校验：
        1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
        2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
        3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
        4、验证app_id是否为该商户本身。
        */
        String rece = "fail";

        if (signVerified) {//验证成功
            //商户订单号
            String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //交易状态
            String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"), "UTF-8");

            String total_amount = params.get("total_amount");

            String appId = params.get("app_id");


            ItripHotelOrder order = itripHoptelOrderService.getHotelOrderByOrderNo(out_trade_no);
            //判断订单是否为空
            if (EmptyUtils.isNotEmpty(order)) {
                //判断金额是否一致
                if (order.getPayAmount() == Double.parseDouble(total_amount)) {
                    //判断商户id是否一致
                    if (alipayConfig.getAppID().equals(appId)) {
                        //判断支付编号是否已支付
                        if (EmptyUtils.isEmpty(order.getTradeNo())) {
                            if (trade_status.equals("TRADE_FINISHED")) {
                                //判断该笔订单是否在商户网站中已经做过处理
                                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                                //如果有做过处理，不执行商户的业务程序
                                System.out.println("========================notifyurl========================");
                                order.setPayType(1);//支付宝支付
                                order.setTradeNo(trade_no);
                                order.setOrderStatus(2);  //支付成功
                                itripHoptelOrderService.updateOrderStatus(order);
                                //注意：
                                //退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
                            } else if (trade_status.equals("TRADE_SUCCESS")) {
                                //判断该笔订单是否在商户网站中已经做过处理
                                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                                //如果有做过处理，不执行商户的业务程序
                                System.out.println("========================notifyurl========================");
                                order.setPayType(1);//支付宝支付
                                order.setTradeNo(trade_no);
                                order.setOrderStatus(2);  //支付成功
                                itripHoptelOrderService.updateOrderStatus(order);
                                //注意：
                                //付款完成后，支付宝系统发送该交易状态通知
                            }
                            rece = "success";
                        }
                    }
                }
            }
        }
        //输出
        response.setContentType("text/html;charset=utf-8");
        PrintWriter out = response.getWriter();
        out.println(rece);
        out.flush();
        out.close();
    }

}